Introduce ability to change screen resolution

xtldr/modules/framebuf/includes/framebuf.h

@@ -14,10 +14,23 @@
 
 
 /* FrameBuffer support protocol related routines forward references */
+XTCDECL
+EFI_STATUS
+FbGetDisplayDriver(OUT PEFI_GRAPHICS_PROTOCOL Protocol);
+
+XTCDECL
+EFI_STATUS
+FbGetDisplayInformation(OUT PXTBL_FRAMEBUFFER_INFORMATION FbInfo);
+
 XTCDECL
 EFI_STATUS
 FbInitializeDisplay();
 
+XTCDECL
+EFI_STATUS
+FbSetScreenResolution(IN UINT Width,
+                      IN UINT Height);
+
 XTCDECL
 EFI_STATUS
 FbpFindFramebufferAddress(OUT PEFI_PHYSICAL_ADDRESS Address);
@@ -28,10 +41,13 @@ FbpGetColorMask(IN UINT EfiMask,
                 OUT PUSHORT ColorMask,
                 OUT PUSHORT ColorShift);
 
+XTCDECL
+EFI_STATUS
+FbpGetModeInfo();
+
 XTCDECL
 VOID
-FbpGetPixelInformation(IN OUT PXTBL_FRAMEBUFFER_INFORMATION FrameBufferInfo,
-                       IN PEFI_PIXEL_BITMASK PixelsBitMask);
+FbpGetPixelInformation(IN PEFI_PIXEL_BITMASK PixelsBitMask);
 
 XTCDECL
 EFI_STATUS